Wins
430
Indexed tournament wins
Player record
Owsiak, Boguslaw
Losses
445
Indexed tournament losses
Matches
875
Decisive results
Win rate
49.1%
Across indexed matches
Peak rating
2,149
Highest rating in the available history.
Biggest upset
Manohar Karthikeyan
America's Team Championship · May 27, 2017 · +322 rating
Open →Biggest loss
Christos Dousmanis
Winter Open · Jan 22, 2011 · -392 rating
Open →Most frequent opponent
Leon Li
18 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
94 tournament appearances · synced Aug 8, 2026, 2:14 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 29, 2011 | America's Team ChampionshipTournament · View matches · USATT readjusted 1,984 → 2,088 | 1,984 | 2,105 | +17+36 / -19 | 4W / 6L |
| May 7, 2011 | May OpenTournament · View matches | 1,966 | 1,984 | +18+28 / -10 | 6W / 1L |
| Mar 26, 2011 | Spring OpenTournament · View matches | 1,958 | 1,966 | +8+32 / -24 | 4W / 3L |
| Feb 26, 2011 | February OpenTournament · View matches | 1,931 | 1,958 | +27+35 / -8 | 7W / 3L |
| Feb 13, 2011 | RFD February OpenTournament · View matches | 1,972 | 1,931 | -41+2 / -43 | 3W / 3L |
| Jan 22, 2011 | Winter OpenTournament · View matches | 2,051 | 1,972 | -79+1 / -80 | 3W / 3L |
| Dec 11, 2010 | Morton Grove Winter OpenTournament · View matches | 2,060 | 2,051 | -9+3 / -12 | 4W / 2L |
| Dec 4, 2010 | 2010 Shorewood Fall OpenTournament · View matches | 2,091 | 2,060 | -31+5 / -36 | 2W / 5L |
| Sep 19, 2010 | 2010 Badger OpenTournament · View matches | 2,066 | 2,091 | +25 | 9W / 5L |
| Sep 4, 2010 | Labor Day OpenTournament · View matches | 2,078 | 2,066 | -12+13 / -25 | 1W / 5L |
| Jul 31, 2010 | Schaumburg Summer OpenTournament · View matches | 2,086 | 2,078 | -8+20 / -28 | 2W / 5L |
| Jun 12, 2010 | Wheeling Spring OpenTournament · View matches | 2,047 | 2,086 | +39+44 / -5 | 7W / 1L |
| May 30, 2010 | America's Team ChampionshipsTournament · View matches | 2,082 | 2,047 | -35 | 14W / 6L |
| May 8, 2010 | Schaumburg Spring OpenTournament · View matches | 2,149 | 2,082 | -67+2 / -69 | 2W / 5L |
| Apr 18, 2010 | Rockford Spring OpenTournament · View matches · USATT readjusted 2,061 → 2,128 | 2,061 | 2,149 | +21+39 / -18 | 6W / 2L |
| Mar 13, 2010 | Year of the Tiger OpenTournament · View matches | 2,054 | 2,061 | +7+21 / -14 | 7W / 2L |
| Jan 23, 2010 | Schaumburg January OpenTournament · View matches | 2,089 | 2,054 | -35+13 / -48 | 4W / 3L |
| Dec 26, 2009 | Holiday OpenTournament · View matches · USATT readjusted 1,998 → 2,054 | 1,998 | 2,089 | +35+37 / -2 | 6W / 2L |
| Oct 18, 2009 | Chicago Slam TTC OpenTournament · View matches | 1,970 | 1,998 | +28+29 / -1 | 5W / 2L |
| Sep 20, 2009 | 2009 Badger OpenTournament · View matches | 2,026 | 1,970 | -56+2 / -58 | 4W / 7L |